Zapi AC-2 User Manual download pdf (Page 68)

Page - 68/83 AF2ZP0CE - ACE2 350/450 - User Manual

WARNINGS: these are faults which do not stop the truck or stop it by a controlled

regenerative braking. In other words, the controller is working well, but it has

detected conditions to reduce the performances or to stop the truck without

opening the power devices. These warnings are related to:

- wrong operator sequences

- conditions which require performance reduction (like high temperatures, ….)

8.16 Microcontroller alarms overview

Error

Code

Description Effect Machine status

When the test is

done

Restart

procedure

Flash checksum

MDI code allarm 71

The program verify

not OK

MC is not closed,

EB is applied,

traction/pump

stopped

Start-up Key re-cycle

Analog

MDI code allarm 96

The analogue

channel

Reading is not

updated

MC is opened,

EB is applied,

traction/pump

stopped

Start-up, running Traction/Pump

request

Wrong set battery

The absolute

difference between

the Key voltage and

the nominal battery

voltage is greater

than 20% of Vbatt

nom.

MC is not closed,

EB is applied,

traction/pump

stopped

Start-up Traction/Pump

Request

Capacitor charge

MDI code allarm 60

Power capacitors

voltage does not

increase

MC is not closed,

EB is applied,

Traction/Pump

stopped

Start-up Traction/Pump

request

Coil shorted hw ko

MDI code allarm 76

The harware to

check a MC or

EB/AUX coil

shorted is damaged

MC is not closed,

EB is applied,

Traction/Pump

stopped

Start-up Traction/Pump

Request

Driver shorted

MDI code allarm 74

The MC driver is

shorted so it is not

able to open the

contactor

MC is opened (the

command is

released), EB is

applied,

Traction/Pump

stopped

Start-up, stand-by,

running

Traction/Pump

Request

Aux driver shorted The EB/AUX driver

is shorted so it is

not able to open the

contactor

MC is opened (the

command is

released), EB is

applied,

Traction/Pump

stopped

Start-up, stand-by,

running

Traction/Pump

Request

Safety in

MDI code allarm 86

The safety input is

open (it is not

connected to –Batt)

MC is opened,

EB is applied,

Traction/Pump

stopped

Start-up, stand-by,

running

Key re-cycle

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Zapi AC-2 User Manual Page 68

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